A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
2T3C HCA, a new hollow cylinder device using Digital Image Correlation to measure properties of interfaces between asphalt layers
Highlights New device developed to characterize interfaces between pavement layers. Hollow cylinder sample loaded in tension-compression and torsion. Digital Image Correlation analysis: strain in layers and displacement gap at interface. Interfaces exhibit a viscoelastic behavior at small strain amplitudes.
Abstract To improve pavement resistance, asphalt concrete layers are bonded together with a tack coat. A new device has been developed to describe the mechanical behavior of interfaces between asphalt concrete layers. The 2T3C Hollow Cylinder Apparatus (2T3C HCA) can apply torsion and tension-compression to hollow cylinder samples composed of two asphalt concrete layers with a tack coat in between. Normal and shear stresses can be applied independently with any type of loading (monotonic or cyclic). In addition to global measurements, a local optical method, based on Digital image correlation (DIC), is used to observe the deformation of the interface. The first interface characterization results are presented in this paper.
2T3C HCA, a new hollow cylinder device using Digital Image Correlation to measure properties of interfaces between asphalt layers
Highlights New device developed to characterize interfaces between pavement layers. Hollow cylinder sample loaded in tension-compression and torsion. Digital Image Correlation analysis: strain in layers and displacement gap at interface. Interfaces exhibit a viscoelastic behavior at small strain amplitudes.
Abstract To improve pavement resistance, asphalt concrete layers are bonded together with a tack coat. A new device has been developed to describe the mechanical behavior of interfaces between asphalt concrete layers. The 2T3C Hollow Cylinder Apparatus (2T3C HCA) can apply torsion and tension-compression to hollow cylinder samples composed of two asphalt concrete layers with a tack coat in between. Normal and shear stresses can be applied independently with any type of loading (monotonic or cyclic). In addition to global measurements, a local optical method, based on Digital image correlation (DIC), is used to observe the deformation of the interface. The first interface characterization results are presented in this paper.
2T3C HCA, a new hollow cylinder device using Digital Image Correlation to measure properties of interfaces between asphalt layers
Attia, T. (author) / Di Benedetto, H. (author) / Sauzéat, C. (author) / Pouget, S. (author)
2020-02-17
Article (Journal)
Electronic Resource
English
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